POLYNOIDAE 45 



(Fig. 8, c) ending in a sort of blunt hook; below these again and in the centre of the 

 foot is a single, gigantic, toothed, bidentate hook (Fig. 8,d). The lower ventral (Fig. 8, e) 

 bristles are toothed capillaries similar to the upper, and there is a tendency for these 

 to be stouter the nearer they are to the central giant hook. All the capillary chaetae 

 are glassy and transparent, but the giant hook is bright yellow. 



The pygidium is slightly damaged, so I cannot tell whether there were any styles or 

 appendages. 



Remarks. I found myself unable to include this specimen within any known genus. 

 Of the known pelagic genera, Frenna, Otietieria, Drieschia, Plotolepis and Podarmns are 

 all without dorsal bristles ; Harmopsides has a subtentacular cirrus and no notopodial 

 chaetae, and many other distinctive characters ; Nectochaeta has a different shaped head, 

 feet and bristles, and Macellicephala has no lateral tentacles. The present specimen is 

 probably the young pelagic stage of another species. 



Genus Lagisca, Malmgren 

 Lagisca hubrechti (Mcintosh). 

 Fauvel, 1923, p. 78, fig. 29 a-k. 



St. 100. 3-4. X. 26. 33° 20' 00" to 33° 46' 00" S, 15° 18' 00" to 15° 08' 00" E. 2500-2000 m. 

 Gear TYF. One specimen. 



St. 169. 22. ii. 27. 60° 48' 50" S, 51° 00' 20" W. looo-iioom. Gear TYF. One specimen. 



St. 267. 23. vii. 27. 24^ 31' 00" S, 12" 15' 30" E. 450-550 (-0) m. Gear TYF. One specimen. 



Remarks. The three examples of this bathypelagic species correspond in detail to 

 Fauvel's description. It is characterised by the transparent dorsal bristles, the long 

 unidentate ventral bristles with their rows of scales and the large caudal appendage. 

 It is remarkable to find it as far south as off the South Shetlands. 



Genus Malmgrenia, Mcintosh 

 } Malmgrenia micropoides, Augener. 



Augener, 1918, pp. 146-148, pi. ii, fig. 21 ; pi. iii, fig. 43, text-fig. 8. 



St. 283. 14. viii. 27. Ofl^ Annobon, Gulf of Guinea. -75 to i mile N 12° E of Pyramid Rock, 

 Annobon. 18-30 m. Gear DLH. One specimen. 



Remarks. This example is a macerated fragment without head or elytra. The feet 

 and bristles seem to correspond to Augener's description and figures. The dorsal ramus 

 is set far back, so that the tips of the bristles barely reach to the end of the ventral 

 chaeta sac. Both rami are more or less pointed, and the lip of the ventral ramus is 

 produced into a cirriform process (Fig. 9, a). 



The dorsal bristles (Fig. 9, b) are less numerous and very much finer than the ventral. 

 They resemble Augener's figure. 



